摘要: This paper explains the meaning of investment circumstance, and analyses the overall feature of investment circumstances of the Changjiang River Delta zone and clears about its targets' system. Then the authors use “polytarget comprehensive value evaluation rule” to make comprehensive classification appraisal of the investment circumstance of the five regions including Shanghai, Ning (Nanjing) Zhen (Zhenjiang) Yang(Yangzhou), Su(Suzhou) Xi(Wuxi) Chang(Changzhou) Tong(Nantong), Hang(Hangzhou) Jia(Jiaxing) Hu(Huzhou), Ning(Ningbo) Shao(Shaoxing) Zhou(Zhoushan)etc., which have similar region feature and district join together due to the long term development of society and economy among these regions.